The dinner date with his mother was much more enjoyable than he _        .

       A．must have imagined                        B．could have imagined

       C．might have imagined                        D．can have imagined

—Can you keep an eye on my bag? I need to go to the washing closet.   

—__         ．It'1! be safe with me．

       A．It's my pleasure     B, Never mind            C．Go ahead              D．Forget it

Don't worry．When you arrive, I _    _for you at the exit of the airport．

       A．am waiting            B．wait                  C．am going to wait     D．will be waiting

Scientists have created ___ intelligent food wrapping material that．changes color if___ contents are going bad．

       A．an; 不填           B．不填; the             C．an; the                 D．the; 不填

I tried, but,__    ,to persuade Holmes to change his mind He was too stubborn．

       A．at ease             B．in trouble          C．by design          D．in vain

We ___ what gift we should send to our teacher when Todd came up with a good idea．

       A．argued about                                 B．had argued about

       C．were arguing about                           D．would argue about

    __at the news that her eyes rained tears．

       A．So was Rebecca sad                          B．So sad was Rebecca

       C．So sad Rebecca was                          D．Was Rebecca so sad

The film doesn't ___ audience because tile plot or love and marriage is rather common nowadays．

       A．apply to              B．appeal to              C．intend to              D．attach to

The idea ___ you can own land in a city and do what you like with it is simply ridiculous．

       A．that                  B．how               C．whether               D．which

After the earthquake the electricity supply failed, ___ the cooling system break down．

       A．having made           B, making                  C．made               D．to make